Statement: A micture of the solution of a weak acid and its conjugates base acts as a good buffer.
Explanation: The ratio of the conjugates base acid in the mixture does not change substantially when small amount of acids or alkalines are added to the buffer.
A. S is correct but E is wrong.
B. S is wrong but E is correc.
C. Both S and E are correct and E is correct explanation of S.
D. Both S and E are correct but E is correct explanation of S.


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Correct Answer - D
These are facts.